References documents like clinical summaries, CCDs, or scanned files
Supports attachments via URL or inline base64 data
May include metadata such as type, category, status, author, custodian, and encounter
Conforms to the US Core DocumentReference Profile (FHIR R4, USCDI v2)
By ID
GET /DocumentReference?_id={id}
or GET /DocumentReference/{id}
By Patient
GET /DocumentReference?patient=Patient/{id}
By Patient + Category
GET /DocumentReference?patient=Patient/{id}&category=...
By Patient + Type
GET /DocumentReference?patient=Patient/{id}&type=...
By Patient + Category + Date
GET /DocumentReference?patient=Patient/{id}&category=...&date=ge2020-01-01
By Patient + Status
GET /DocumentReference?patient=Patient/{id}&status=current
By Patient + Type + Period
GET /DocumentReference?patient=Patient/{id}&type=...&period=ge2020-01-01